A Level Computer Science OCR Practice Exam

What is the main characteristic of a Hard Disk Drive?

1. It is generally more expensive than other storage types

2. It uses flash memory components

3. It is typically cheaper with more storage space

4. It has faster access times than RAM

The correct answer is: It is typically cheaper with more storage space

The main characteristic of a Hard Disk Drive (HDD) is that it is typically cheaper with more storage space compared to other types of storage solutions. HDDs are designed using magnetic disk technology, which allows them to offer large storage capacities at relatively low production costs. This makes them a popular choice for users needing extensive data storage, such as in desktops, laptops, and data centers, where cost-effectiveness is a priority. In contrast, other storage options, such as Solid-State Drives (SSDs), utilize flash memory components, which can lead to higher costs for the same amount of storage. The expense associated with HDDs remains lower largely due to their established manufacturing processes and the materials used compared to the more advanced technology in SSDs. This focus on affordability while still providing substantial storage capacity is what primarily characterizes HDDs in the range of available storage technologies.